linux/include/linux/cxl-event.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 2023 Intel Corporation. */
#ifndef _LINUX_CXL_EVENT_H
#define _LINUX_CXL_EVENT_H

#include <linux/types.h>
#include <linux/uuid.h>
#include <linux/workqueue_types.h>

/*
 * Common Event Record Format
 * CXL rev 3.0 section 8.2.9.2.1; Table 8-42
 */
struct cxl_event_record_hdr { … } __packed;

struct cxl_event_media_hdr { … } __packed;

#define CXL_EVENT_RECORD_DATA_LENGTH …
struct cxl_event_generic { … } __packed;

/*
 * General Media Event Record
 * CXL rev 3.0 Section 8.2.9.2.1.1; Table 8-43
 */
#define CXL_EVENT_GEN_MED_COMP_ID_SIZE …
struct cxl_event_gen_media { … } __packed;

/*
 * DRAM Event Record - DER
 * CXL rev 3.0 section 8.2.9.2.1.2; Table 3-44
 */
#define CXL_EVENT_DER_CORRECTION_MASK_SIZE …
struct cxl_event_dram { … } __packed;

/*
 * Get Health Info Record
 * CXL rev 3.0 section 8.2.9.8.3.1; Table 8-100
 */
struct cxl_get_health_info { … } __packed;

/*
 * Memory Module Event Record
 * CXL rev 3.0 section 8.2.9.2.1.3; Table 8-45
 */
struct cxl_event_mem_module { … } __packed;

cxl_event __packed;

/*
 * Common Event Record Format; in event logs
 * CXL rev 3.0 section 8.2.9.2.1; Table 8-42
 */
struct cxl_event_record_raw { … } __packed;

enum cxl_event_type { … };

#define CPER_CXL_DEVICE_ID_VALID …
#define CPER_CXL_DEVICE_SN_VALID …
#define CPER_CXL_COMP_EVENT_LOG_VALID …
struct cxl_cper_event_rec { … } __packed;

struct cxl_cper_work_data { … };

#ifdef CONFIG_ACPI_APEI_GHES
int cxl_cper_register_work(struct work_struct *work);
int cxl_cper_unregister_work(struct work_struct *work);
int cxl_cper_kfifo_get(struct cxl_cper_work_data *wd);
#else
static inline int cxl_cper_register_work(struct work_struct *work)
{
	return 0;
}

static inline int cxl_cper_unregister_work(struct work_struct *work)
{
	return 0;
}
static inline int cxl_cper_kfifo_get(struct cxl_cper_work_data *wd)
{
	return 0;
}
#endif

#endif /* _LINUX_CXL_EVENT_H */